<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}
			p{
				color: #0000FF;
			}
			#p2{
				font-size: 32px;
			}
			.odd{
				text-decoration: underline;
			}
			.last{
				color: red;
			}
			div.odd{
				
			}
		</style>
	</head>
	<body>
		<style type="text/css">
			p~div{
				text-indent: 2em;
			}
		</style>
		<p>这是段落</p>
		<p id="p2" class="odd">这是段落</p>
		<p>这是段落</p>
		<div class="odd">这是div</div>
		<div>这是div</div>
		<div class="odd last">这是div</div>
		<div class="last">这是div</div>
	</body>
</html>
